CN210293596U - Test system for rotating and superposing vibration of missile seeker - Google Patents
Test system for rotating and superposing vibration of missile seeker Download PDFInfo
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- CN210293596U CN210293596U CN201921316029.5U CN201921316029U CN210293596U CN 210293596 U CN210293596 U CN 210293596U CN 201921316029 U CN201921316029 U CN 201921316029U CN 210293596 U CN210293596 U CN 210293596U
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Abstract
A test system for rotation superposition vibration of a missile seeker is characterized by comprising a supporting frame, a vibration device, a horizontal sliding table, a vibration fixing tool, a control system, a rotary power device, a rotary ventilation device, a rotary energizing device, an elastic coupling, a telescopic universal joint and the seeker. The utility model has the advantages that: the application of the rotation and the vibration stress of the seeker is realized, the actual load environment of the seeker is truly simulated, the problems of the seeker under the composite working condition can be reproduced, the adopted laser vibration meter belongs to a non-contact laser sensor, the vibration precision control under the rotation state of the seeker is realized, the problem that an acceleration sensor with a cable cannot be used for vibration control of a rotating part is solved, an elastic coupling and a telescopic universal joint are adopted, the influence caused by different axes generated by assembly errors is effectively reduced, and meanwhile, the telescopic performance of the telescopic universal joint is improved, and the influence of displacement deviation generated in the vibration process can be compensated.
Description
Technical Field
The utility model relates to a test system especially relates to a test system that is used for rotatory stack vibration of guided missile seeker.
Background
The seeker is a core component for intercepting and tracking a radiation source, is influenced by a vibration stress environment generated by pneumatics and component vibration when in a rotating state in the missile flying process, and is required to be subjected to a series of ground tests to verify the reliability before batch production, wherein the vibration tests are important items for reliability check of the seeker.
At present, vibration test assessment on a seeker is generally carried out under the non-rotating state of the seeker, after the vibration test is finished, the performance of the seeker is tested when the seeker is in the rotating state, stress superposition of various complex environments is carried out under the actual working environment of the seeker, the original assessment mode cannot truly simulate the actual working condition of the seeker, and therefore the problems occurring under the complex working condition cannot be reproduced.
In order to truly simulate the actual load working condition of the seeker, a novel test system needs to be designed, and test examination of the seeker under the combined action of the rotation state and the vibration stress is realized.
Disclosure of Invention
According to the technical problem, the utility model provides a test system for rotatory stack vibration of guided missile seeker which is characterized in that the test system comprises a supporting frame, a vibrating device, a horizontal sliding table, a vibration fixing tool, a control system, a rotary power device, a rotary ventilation device, a rotary power device, an elastic coupling, a telescopic universal joint and a seeker;
the control system comprises a power amplifier, a vibration controller and a laser vibration meter;
the vibration device, the power amplifier, the horizontal sliding table, the vibration controller and the laser vibration meter form a closed-loop vibration control test system, the vibration device is an electromagnetic vibration table, a moving coil of the electromagnetic vibration table is rigidly connected with the horizontal sliding table through a bolt, the electromagnetic vibration table is connected with the power amplifier through a cable, the power amplifier is connected with the vibration controller through a cable, and the vibration controller is connected with the laser vibration meter through a cable;
a support frame is arranged outside the horizontal sliding table, a fixed bottom plate is arranged on the support frame and connected with the support frame through bolts, and a rotary power device, an elastic coupling, a telescopic universal joint, an air slip ring fixing frame, a rotation stopping support and a bearing seat are arranged on the upper surface of the fixed bottom plate through bolts;
the rotary power device comprises a variable frequency motor, a speed change gear box, a hollow shaft and a rotary connecting component, wherein the variable frequency motor is connected with the speed change gear box through an elastic coupling, and the speed change gear box is a T-shaped speed change gear box;
the rotary connecting part also comprises a rotary connecting main shaft, a tapered roller bearing and a universal joint connecting tool;
the guiding head is connected with the rotary connecting main shaft through a bolt, the inner ring of the tapered roller bearing is in interference fit with the rotary connecting main shaft, one end of the universal joint connecting tool is connected with the rotary connecting main shaft through a bolt, the other end of the universal joint connecting tool is connected with the telescopic universal joint, the whole body formed by the rotary connecting main shaft and the tapered roller bearing is installed in a hoop of the vibration fixing tool, the side fixing flange is fixed on the side face of the vibration fixing tool through a bolt to tightly press the outer ring of the tapered roller bearing, the bottom plate of the vibration fixing tool is rigidly connected with the horizontal sliding table through a bolt, and the inside of the rotary connecting main shaft is of a hollow structure;
two ends of the hollow shaft are assembled with the two bearing seats, one end of the hollow shaft is connected with the speed change gear box through the elastic coupling, and the other end of the hollow shaft is connected with the telescopic universal joint;
and the left side and the right side of the speed change gear box are respectively provided with a rotary ventilation device and a rotary ventilation device.
Further, the rotary ventilation device is an air slip ring.
Furthermore, the air slip ring is connected with the air slip ring fixing frame through a bolt, the front end of the air slip ring is connected with a high-pressure air source, and the rear end of the air slip ring is connected with the speed change gear box through a rigid shaft sleeve.
Furthermore, the rear end of the air slip ring is also connected with a slender air pipe, and the air pipe is connected with the guide head through a speed change gear box, a hollow shaft and a rotary connecting main shaft.
Further, the air slip ring can convey high-pressure gas not less than 25MPa in a rotating state.
Further, the rotary electrifying device is an electric slip ring.
Furthermore, the electric slip ring comprises an outer ring and an inner ring, and the inner ring and the outer ring are provided with the same number of cables.
Furthermore, the inner ring is provided with a central hole, the hollow shaft penetrates through the central hole of the inner ring of the electric slip ring, and the electric slip ring is firmly connected with the hollow shaft by screwing a screw on the inner ring of the electric slip ring.
Furthermore, the outer ring of the electric slip ring is connected with the rotation stopping support through a bolt, and a cable on the outer ring of the electric slip ring is connected with a power supply.
Further, the electric slip ring is provided with 50 power supply cables, and the rated electrifying current of each power supply cable is 15A at most.
The utility model has the advantages that:
1. the utility model realizes the simultaneous application of the rotation and the vibration stress of the seeker, truly simulates the actual load environment of the seeker, and can reproduce the problems of the seeker under the composite working condition;
2. the laser vibration meter adopted in the utility model belongs to a non-contact laser sensor, realizes the vibration accurate control under the rotation state of the seeker, and solves the problem that the acceleration sensor with the cable can not be used for the vibration control of the rotating part;
3. the utility model discloses in adopted elastic coupling and scalable universal joint, the effectual influence that has reduced because each axis disalignment that assembly error produced caused, the scalability of scalable universal joint simultaneously can compensate the influence of the displacement deviation that the vibration process produced.
4. The gas slip ring adopted in the test can realize the transmission of high-pressure gas with more than 25MPa at high rotating speed (13 r/s).
Drawings
FIG. 1 is a view of the main structure of the present invention;
fig. 2 is a schematic view of the connection at the rotary connection spindle.
As shown in the figure, the device comprises an electromagnetic type vibration table-1, a power amplifier-2, a horizontal sliding table-3, a vibration controller-4, a guide head-5, a rotary connecting main shaft-6, a side fixing flange-7, a vibration fixing tool-8, a laser vibration meter-9, a supporting frame-10, a fixing bottom plate-11, a variable frequency motor-12, an elastic coupling-13, a speed change gear box-14, an air slip ring fixing frame-15, an air slip ring-16, a high-pressure air source and power supply-17, a rigid shaft sleeve-18, a bearing seat-19, an electric slip ring-20, a rotation stopping support-21, a hollow shaft-22, a telescopic universal joint-23, a tapered roller bearing-24 and a universal joint connecting tool-25.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: the utility model relates to a test system for missile seeker rotation superposition vibration, which is characterized by comprising a supporting frame 19, a vibration device, a horizontal sliding table 3, a vibration fixing tool 8, a control system, a rotary power device, a rotary ventilation device, a rotary power-on device, an elastic coupling 13, a telescopic universal joint 23 and a seeker 5;
the control system comprises a power amplifier 2, a vibration controller 4 and a laser vibration meter 9;
the vibration device and power amplifier 2, horizontal slip table 3, vibration control appearance 4, laser vibrometer 9 constitute closed loop vibration control test system, the vibration device is electromagnetic type shaking table 1, the moving coil of electromagnetic type shaking table 1 passes through bolt and horizontal slip table 3 rigid connection, electromagnetic type shaking table 1 passes through the cable with power amplifier 2 and is connected, power amplifier 2 passes through the cable with vibration control appearance 4 and is connected, vibration control appearance 4 passes through the cable with laser vibrometer 9 and is connected, vibration control appearance 4 output voltage signal gives power amplifier 2, power amplifier 2 is exported electromagnetic vibration table 1 after amplifying the signal, makes the moving coil of electromagnetic vibration table 1 produce the vibration, transmits to horizontal slip table 3, and laser vibrometer 9 measures the vibration signal on horizontal slip table 3, feeds back to vibration control appearance 4, and vibration control appearance 4 is through comparing feedback signal and target signal spectrum, and continuously correcting, and finally outputting a voltage signal meeting the target signal spectrum requirement.
A supporting frame 10 is arranged outside the horizontal sliding table 3, the height of the supporting frame 10 can be adjusted up and down according to test requirements, a fixed bottom plate 11 is mounted on the supporting frame 10, the fixed bottom plate 11 is connected with the supporting frame 10 through bolts, and a rotary power device, an elastic coupling 13, a telescopic universal joint 23, an air slip ring fixing frame 15, a rotation stopping support 21 and a bearing seat 19 are mounted on the upper surface of the fixed bottom plate 11 through bolts;
the rotary power device comprises a variable frequency motor 12, a speed change gear box 14, a hollow shaft 22 and a rotary connecting component, wherein the variable frequency motor 12 is connected with the speed change gear box 14 through an elastic coupling 13, the axial direction and the radial direction of the elastic coupling 13 can be slightly deformed, the influence of slight non-axial direction of the rotating shaft of the variable frequency motor 12 and the rotating shaft of the speed change gear box 14 is compensated, and the speed change gear box 14 is a T-shaped speed change gear box to realize the transmission of the rotating speed.
The rotary connecting part comprises a rotary connecting main shaft 6, a tapered roller bearing 24 and a universal joint connecting tool 25;
the seeker 5 is connected main shaft 6 with the rotation and is passed through bolted connection, the inner circle of tapered roller bearing 24 connects main shaft 6 with the rotation and adopts interference fit, frock 25 one end is connected main shaft 6 with the rotation and is passed through bolted connection, and the other end is connected with scalable universal joint 23, rotate the integral erection who connects main shaft 6 and tapered roller bearing 24 to constitute and in the staple bolt of the fixed frock 8 of vibration, side mounting flange 7 passes through the bolt fastening in the side of the fixed frock 8 of vibration, compresses tightly tapered roller bearing 24's outer lane, the bottom plate of the fixed frock 8 of vibration passes through bolt rigid connection with horizontal slip table 3, the inside of rotating connection main shaft 6 is hollow structure, can be used for laying of cable or trachea.
The both ends of hollow shaft 22 and two bearing frame 19 assemblies play the effect of supporting hollow shaft 22, hollow shaft 22 one end is connected through elastic coupling 13 with change gear box 14, and change gear box 14's rotation drives the rotation of hollow shaft 22, and the other end is connected with scalable universal joint 23, and the rotation of hollow shaft 22 drives the rotation of scalable universal joint 23 to drive the rotation of universal joint connection frock 25, rotation connection main shaft 6, tapered roller bearing 24, seeker 5.
The left side and the right side of the speed change gear box 14 are respectively provided with a rotary ventilation device and a rotary ventilation device.
Further, the rotary air-breather is an air slide ring 16.
Further, the air slip ring 16 is connected with the air slip ring fixing frame 15 through a bolt, the front end of the air slip ring 16 is connected with a high-pressure air source 17, the rear end of the air slip ring is connected with the speed change gear box 14 through a rigid shaft sleeve 18, and the rotation of the speed change gear box 14 drives the rotation of the air slip ring 16.
Furthermore, the rear end of the air slip ring 16 is connected with a slender air pipe, and the air pipe is connected with the guide head 5 through the speed change gear box 14, the hollow shaft 22 and the rotary connecting main shaft 6 to provide high-pressure air.
Further, the air slip ring 16 can convey high-pressure gas not less than 25MPa in a rotating state.
Further, the rotary electric conduction device is an electric slip ring 20.
Further, the electrical slip ring 20 includes an outer ring and an inner ring, and the inner ring and the outer ring have the same number of cables.
Further, the inner ring has a central hole, the hollow shaft 22 passes through the central hole of the inner ring of the electric slip ring 20, the inner ring of the electric slip ring 20 is firmly connected with the hollow shaft 22 by tightening the screws on the inner ring of the electric slip ring 20, and the rotation of the hollow shaft 22 drives the rotation of the inner ring of the electric slip ring 20.
Further, the outer ring of the electrical slip ring 20 is connected with the rotation stopping bracket 21 through a bolt to limit the rotation of the outer ring, a cable on the outer ring of the electrical slip ring 20 is connected with the power supply 17, during the rotation, the power supply 17 is transmitted to the inner ring of the electrical slip ring 20 through the outer ring of the electrical slip ring 20, and then is connected with the seeker 5 through the cable on the inner ring of the electrical slip ring 20 to supply power to the seeker 5.
Further, the electrical slip ring 20 has 50 power supply cables, and each power supply cable has a rated energizing current of 15A at most.
The working principle is as follows: 1) assembling a tapered roller bearing 24 and a universal joint connecting tool 25 on a rotary connecting main shaft 6, putting the assembled body into a lower hoop of a vibration fixing tool 8, fixing a side fixing flange 7 on the side of the vibration fixing tool 8 for pressing an outer ring of the tapered roller bearing 24, and then installing an upper hoop of the vibration fixing tool 8 for radially pressing the tapered roller bearing;
2) fixing a vibration fixing tool 8 on the horizontal sliding table 3 through bolts;
3) fixing a supporting frame 10 on the ground, fixing a fixed base plate 11 on the upper surface of the supporting frame 10, respectively fixing a variable frequency motor 12, a T-shaped speed change gear box 14 and an air slip ring fixing frame 15 at a pre-designed fixing hole on the upper surface of the fixed base plate 11, adjusting connecting shafts of the variable frequency motor 12 and the T-shaped speed change gear box 14 to be coaxial, then installing an elastic coupling 13, installing an air slip ring 16 on the air slip ring fixing frame 15, adjusting the axial line of the air slip ring 16 and the connecting shaft of the T-shaped speed change gear box 14 to be coaxial, and then installing a rigid shaft sleeve 18;
4) assembling an electric slip ring 20 with a hollow shaft 22 to fix an inner ring of the electric slip ring 20 with the hollow shaft 22, then assembling 2 bearing seats 19 with the hollow shaft 22 to be distributed at two ends of the hollow shaft 22, then fixing the bearing seats 19 on a fixed bottom plate 11, simultaneously fixing a rotation stopping sheet on an outer ring of the electric slip ring 20 on a rotation stopping support 21 to limit rotation of the outer ring of the electric slip ring 20, simultaneously adjusting an axis of the hollow shaft 22 and a connecting shaft of a T-shaped speed change gear box 14 to be in a coaxial position, and then installing an elastic coupling 13;
5) adjusting the height of the supporting frame 10 and the front, rear, left and right positions of the fixed bottom plate 11 to enable the axis of the hollow shaft 22 and the axis of the universal joint connecting tool 25 to be coaxial, and then installing the telescopic universal joint 23;
6) a high-pressure air source and a power source 17 are connected with an air slip ring 16 and an electric slip ring 20, and an air pipe of the air slip ring 16 and a cable of the electric slip ring 20 are connected to a guide head 5 after passing through a hollow shaft 22, a telescopic universal joint 23, a universal joint connecting tool 25 and a rotary connecting main shaft 6;
7) fixing a laser vibration meter 9 at a position of about 0.5m in front of the horizontal sliding table 3 by using an adjustable support, electrifying the laser vibration meter 9 to operate, then adjusting the position of the adjustable support, aligning a laser line beam emitted by the laser vibration meter 9 to the surface of the seeker 5, and ensuring that the light beam reflected back from the seeker 5 can be received by the laser vibration meter 9;
8) the vibration control instrument 4, the power amplifier 2, the electromagnetic vibration table 1, the horizontal sliding table 3 and the laser vibration meter 9 are connected to form a closed-loop vibration control system;
9) setting a specified vibration test condition on the vibration controller 4, and debugging the closed-loop vibration control system to a normal state;
10) and starting the vibration controller 4 and the power amplifier 2, observing a vibration control curve, and carrying out a test for a specified time after the vibration reaches specified conditions and the control is stable.
To sum up, the utility model provides a rotatory vibration test system of seeker is rational in infrastructure, and convenient operation connects reliably, has realized the rotatory accurate control with the vibration of seeker simultaneously, and this system has certain commonality concurrently simultaneously, and the requirement of adaptable different rotational speeds and different vibration two-stage can be applicable to the test demand of not unidimensional test piece through the size that changes fixed frock of vibration and bearing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. A test system for rotation superposition vibration of a missile seeker is characterized by comprising a supporting frame, a vibration device, a horizontal sliding table, a vibration fixing tool, a control system, a rotary power device, a rotary ventilation device, a rotary energizing device, an elastic coupling, a telescopic universal joint and a seeker;
the control system comprises a power amplifier, a vibration controller and a laser vibration meter;
the vibration device, the power amplifier, the horizontal sliding table, the vibration controller and the laser vibration meter form a closed-loop vibration control test system, the vibration device is an electromagnetic vibration table, a moving coil of the electromagnetic vibration table is rigidly connected with the horizontal sliding table through a bolt, the electromagnetic vibration table is connected with the power amplifier through a cable, the power amplifier is connected with the vibration controller through a cable, and the vibration controller is connected with the laser vibration meter through a cable;
a support frame is arranged outside the horizontal sliding table, a fixed bottom plate is arranged on the support frame and connected with the support frame through bolts, and a rotary power device, an elastic coupling, a telescopic universal joint, an air slip ring fixing frame, a rotation stopping support and a bearing seat are arranged on the upper surface of the fixed bottom plate through bolts;
the rotary power device comprises a variable frequency motor, a speed change gear box, a hollow shaft and a rotary connecting component, wherein the variable frequency motor is connected with the speed change gear box through an elastic coupling, and the speed change gear box is a T-shaped speed change gear box;
the rotary connecting part also comprises a rotary connecting main shaft, a tapered roller bearing and a universal joint connecting tool;
the device comprises a seeker, a rotary connecting main shaft, a telescopic universal joint, a conical roller bearing, a horizontal sliding table, a universal joint connecting tool, a side fixing flange, a bottom plate of the rotary connecting tool, a horizontal sliding table and a horizontal sliding table, wherein the seeker is connected with the rotary connecting main shaft through a bolt, the inner ring of the conical roller bearing is in interference fit with the rotary connecting main shaft, one end of the universal joint connecting tool is connected with the rotary connecting main shaft through a bolt, the other end of the universal joint connecting tool is connected with the telescopic universal joint, the whole formed by the rotary connecting main shaft and the conical roller bearing is installed in a hoop of the vibration fixing tool, the side of the vibration fixing tool is;
two ends of the hollow shaft are assembled with the two bearing seats, one end of the hollow shaft is connected with the speed change gear box through the elastic coupling, and the other end of the hollow shaft is connected with the telescopic universal joint;
and the left side and the right side of the speed change gear box are respectively provided with a rotary ventilation device and a rotary ventilation device.
2. The system for testing the superposition of rotation and vibration of a missile seeker as recited in claim 1 wherein the rotary air breather is an air slide ring.
3. The system for testing the rotation and superposition of vibration of the missile seeker as in claim 2, wherein the air slip ring is connected with the air slip ring fixing frame through a bolt, the front end of the air slip ring is connected with a high-pressure air source, and the rear end of the air slip ring is connected with the speed change gear box through a rigid shaft sleeve.
4. The missile seeker rotation superposition vibration test system according to claim 3, wherein the rear end of the air slip ring is further connected with an elongated air pipe, and the air pipe is connected with the seeker through a speed change gear box, a hollow shaft and a rotary connecting main shaft.
5. The missile seeker rotation superposition vibration test system according to claim 4, wherein the air slip ring can convey high-pressure gas not less than 25MPa in a rotating state.
6. The system of claim 1, wherein the rotary energization device is an electrical slip ring.
7. The missile seeker rotation superposition vibration test system according to claim 6, wherein the electrical slip ring comprises an outer ring and an inner ring, and the inner ring and the outer ring both have the same number of cables.
8. The missile seeker rotation superposition vibration test system according to claim 7, wherein the inner ring is provided with a central hole, the hollow shaft penetrates through the central hole of the inner ring of the electric slip ring, and the inner ring of the electric slip ring is screwed tightly to realize firm connection with the hollow shaft.
9. The missile seeker rotation superposition vibration test system according to claim 7, wherein an outer ring of the electrical slip ring is connected with the rotation stopping support through bolts, and cables on the outer ring of the electrical slip ring are connected with a power supply.
10. The missile seeker rotation superposition vibration test system according to claim 7, wherein the electrical slip ring comprises 50 power supply cables, and each power supply cable is rated for a maximum energization current of 15A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921316029.5U CN210293596U (en) | 2019-08-14 | 2019-08-14 | Test system for rotating and superposing vibration of missile seeker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921316029.5U CN210293596U (en) | 2019-08-14 | 2019-08-14 | Test system for rotating and superposing vibration of missile seeker |
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| CN210293596U true CN210293596U (en) | 2020-04-10 |
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| CN201921316029.5U Active CN210293596U (en) | 2019-08-14 | 2019-08-14 | Test system for rotating and superposing vibration of missile seeker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452127A (en) * | 2022-11-11 | 2022-12-09 | 日照市计量科学研究院 | Gear hobbing machine main shaft vibration laser testing device |
| CN115854799A (en) * | 2023-02-28 | 2023-03-28 | 中国航空工业集团公司沈阳空气动力研究所 | Magnus test device and method |
-
2019
- 2019-08-14 CN CN201921316029.5U patent/CN210293596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115452127A (en) * | 2022-11-11 | 2022-12-09 | 日照市计量科学研究院 | Gear hobbing machine main shaft vibration laser testing device |
| CN115854799A (en) * | 2023-02-28 | 2023-03-28 | 中国航空工业集团公司沈阳空气动力研究所 | Magnus test device and method |
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